The two valve switches are parts 14A and 14B.


The one with the black round piece on the end should be 14B with two hoses. One going to F which is the Back Pressure Transducer that connects to the EGR Valve. The hose #56 in the image goes from the BPT to the EGR. The other hose goes to the Throttle Body right below the large air intake opening.



The other switch is 14A with one hose going to the other connection on the Throttle Body. You can see the two hose connections under the air intake in the image.



Your PCV valve should be on the top of the left valve cover.

Mark